public function classesFromSubMatchingPackagesAreLoaded()
{
mkdir('vfs://Test/Packages/Application/Acme.MyAppAddon/Classes/Acme/MyAppAddon', 0770, true);
file_put_contents('vfs://Test/Packages/Application/Acme.MyAppAddon/Classes/Acme/MyAppAddon/Class.php', '<?php ' . __CLASS__ . '::$testClassWasLoaded = TRUE; ?>');
$this->classLoader->loadClass('Acme\\MyAppAddon\\Class');
$this->assertTrue(self::$testClassWasLoaded);
}